am I entitled to a refund?

ok so i was bored on friday and didn't fancy spending too much on a game so I went on and spent 59p on iMaze the day after it moved to the free section and is now being sold for free so am I entitled for a refund or do I have to make do with the fact I spent the money?

ok so i was bored on friday and didn't fancy spending too much on a game so I went on and spent 59p on iMaze the day after it moved to the free section and is now being sold for free so am I entitled for a refund or do I have to make do with the fact I spent the money?